class.Error.php

<?php

#=======================================================================
#**Narzew Script
#**class.Error.php
#**Narzew
#**15.07.2014
#**License: GPL
#=======================================================================
#**This file contains errors interpreting
#=======================================================================
#**PRIVATE VARIABLES: $errors, $error_count
#**STATIC FUNCTIONS:
#**clear - clears the error variables to next use
#**add_error($text) - add an error to $errors variable
#**get_error_count - returns error count
#**get_errors($show_if_zero) - get formated errors string:
#****$show_if_zero(default:false) - show errors if count = 0
#****$print(default:true) - print errors instead of returning
#**has_errors - checks that any errors are added
#=======================================================================

class Error {

    private static $errors;
    private static $error_count;

    static function clear(){
        self::$errors = "";
        self::$error_count = 0;
    }

    static function add_error($text){
        self::$errors = self::$errors."<li>".$text."</li>";
        self::$error_count = self::$error_count + 1;
    }

    static function get_error_count(){
        return self::$error_count;
    }

    static function get_errors($show_if_zero=false,$print=true){
        $tmp_str = "";
        if (self::$error_count == 0){
            if($show_if_zero==true){
                $tmp_str = "Nie wystąpił żaden błąd";
            } else {
                if($print == true){
                    echo "";
                } else {
                    return "";
                }
            }
        } elseif (self::$error_count == 1){
            $tmp_str = "Wystąpił 1 błąd:\n";
            $tmp_error = self::$error_count;
        } elseif (self::$error_count == 2 || $error_count == 3){
            $tmp_error = self::$error_count;
            $tmp_str = "Wystąpiły $tmp_error  błędy:\n";
        } else {
            $tmp_error = self::$error_count;
            $tmp_str = "Wystąpiło $tmp_error błędów:\n";
        }
        if($tmp_str != ""){
            if($print == true){
                print $tmp_str.self::$errors;
            } else {
                return $tmp_str.self::$errors;
            }
        }
    }

    static function has_errors(){
        if(self::$error_count == 0){
            return false;
        } else {
            return true;
        }
    }

}